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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: FM Radio widget process handler
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*
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*/
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// System includes
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#include <QDateTime>
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// TODO: Profile information should be accessed from QtMobility when it is
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// ready.
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#include <ProfileEngineSDKCRKeys.h>
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#include "xqsettingsmanager.h"
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#include "xqsettingskey.h"
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#include "xqpublishandsubscribeutils.h"
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// User includes
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#include "radiohswidgetprofilereader.h"
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#include "radiohswidget.h"
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#include "radioservicedef.h"
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#include "radiologger.h"
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// Constants
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/** Constant for radio running undefined status. */
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const int RADIO_RUNNING_STATUS_UNDEFINED(-1);
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/** Constant for Off-line profile. */
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const int OFFLINE_PROFILE(5);
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/*!
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\class RadioHsWidgetProfileReader
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\brief Implementation of P&S key reader and monitor.
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RadioHsWidgetProfileReader implements reader and monitor for P&S keys.
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*/
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// ======== MEMBER FUNCTIONS ========
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/*!
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Constructs a profile reader which is a child of \a parent.
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Creates XQSettingsManager for monitoring and accessing the P&S keys.
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Connects to the signals of XQSettingsManager.
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*/
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RadioHsWidgetProfileReader::RadioHsWidgetProfileReader(
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RadioHsWidget *parent) :
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QObject(parent),
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mParent(*parent),
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mSettingsManager(new XQSettingsManager(this)),
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mRadioStatus(RADIO_RUNNING_STATUS_UNDEFINED)
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{
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LOG_METHOD;
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Radio::connect(mSettingsManager, SIGNAL(itemDeleted(XQSettingsKey)), this,
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SLOT(handleDeletedItem(XQSettingsKey)));
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Radio::connect(mSettingsManager, SIGNAL(valueChanged(XQSettingsKey, QVariant)),
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this, SLOT(handleChanges(XQSettingsKey, QVariant)));
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}
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/*!
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Destructor
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*/
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RadioHsWidgetProfileReader::~RadioHsWidgetProfileReader()
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{
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LOG_METHOD;
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XQSettingsKey radioRunningKey(XQSettingsKey::TargetPublishAndSubscribe,
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KRadioPSUid, KRadioStartupKey);
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mSettingsManager->stopMonitoring(radioRunningKey);
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}
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/*!
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Start monitoring of radio P&S key. Read also the initial value.
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*/
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void RadioHsWidgetProfileReader::startMonitoringRadioRunningStatus()
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{
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LOG_METHOD;
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XQSettingsKey radioRunningKey(XQSettingsKey::TargetPublishAndSubscribe,
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KRadioPSUid, KRadioStartupKey);
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// Start monitoring.
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mSettingsManager->startMonitoring(radioRunningKey);
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// Read current value.
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radioRunningStatus(
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mSettingsManager->readItemValue(radioRunningKey));
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}
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/*!
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Reads the current profile of the device and \returns \c true if the
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current profile is offline, \c false otherwise.
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*/
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bool RadioHsWidgetProfileReader::isCurrentProfileOffline()
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{
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LOG_METHOD_RET("%d");
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XQSettingsKey profileKey(XQSettingsKey::TargetCentralRepository,
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KCRUidProfileEngine.iUid, KProEngActiveProfile);
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// Read current value.
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QVariant profile(mSettingsManager->readItemValue(profileKey));
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if (profile.canConvert(QVariant::Int) && profile.toInt() == OFFLINE_PROFILE) {
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return true;
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}
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return false;
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}
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/*!
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Handling of deletion of listened keys.
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\param key Deleted key.
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*/
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void RadioHsWidgetProfileReader::handleDeletedItem(const XQSettingsKey &key)
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{
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LOG_METHOD_ENTER;
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if (key.uid() == KRadioPSUid && key.key() == KRadioStartupKey) {
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LOG("KRadioStartupKey deleted");
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startMonitoringRadioRunningStatus();
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}
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}
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/*!
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Notifications from settings manager are handled and routed to appropriate
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private slots.
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\param key Changed key.
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\param value Value of changed key.
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*/
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void RadioHsWidgetProfileReader::handleChanges(const XQSettingsKey &key,
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const QVariant& value)
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{
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LOG_SLOT_CALLER;
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if (key.uid() == KRadioPSUid && key.key()
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== KRadioStartupKey) {
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LOG("KRadioStartupKey changed");
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radioRunningStatus(value);
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}
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}
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/*!
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Handling changes in radio running P&S key.
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\param value is int representation of time in seconds when radio was
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started.
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*/
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void RadioHsWidgetProfileReader::radioRunningStatus(
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const QVariant &value)
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{
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LOG_METHOD_ENTER;
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if (value.canConvert(QVariant::Int)) {
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mRadioStatus = value.toInt();
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// Notify the observer that radio is running.
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mParent.handleRadioStateChange(FmRadio::StateRunning);
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} else {
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mRadioStatus = RADIO_RUNNING_STATUS_UNDEFINED;
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// Notify the observer that radio is not running.
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mParent.handleRadioStateChange(FmRadio::StateNotRunning);
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}
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}
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